Office: 2235 NPB
EducationPhD Harvard University (1972)
Research GroupCondensed Matter Experiment/MAG Lab
Research InterestsResearch interests are focused on studies of collective order/disorder processes, quantum diffusion and defect formation in quantum solids and fluids. Current activites include: (1) Studies of order/disorder processes in solid hydrogen, diffusion of vacancies and isotopic impurities in solid H2, solid 3He and 4He. (2) NMR investigations of solids at very high magnetic fields with National High Magetic Field Laboratory and UF Microkelvin Laboratory. (3) Search for axions as candidates of galactic halo dark matter (in collaboration with David Tanner and Pierre Sikivie).
Selected PublicationsW. Li, J. S. Xia, C. Vicente, N. S. Sullivan, W. Pan, D. C. Tsui, L. N. Pfeiffer and K. W. West, Crossover from non-universal scaling regime to universal scaling regime in quantum Hall plateau transition, Phys. Rev. B 81, 033305-033309 (2010).
S. S. Kim, C. Huan, L. Yin, J. S. Xia, D. Candela and N. S. Sullivan, NMR Studies of 3He Impurities in 4He in the Proposed Supersolid Phase, J. Low Temp. Phys. 158, 584-589 (2010).
Yu Ji, J. A. Hamida and N. S. Sullivan, NMR Studies of Quantum Rotors Confined in Zeolite, J. Low Temp. Phys. 158, 509-514 (2010).
L. Yin, J. S. Xia, N. S. Sullivan, V. S. Zapf and A. Paduan-Filho, Magnetic Susceptibility Measurements at Ultra-low Temperatures, J. Low Temp. Phys. 158, 710-715 (2010).
C. Huan, S. S. Kim, L. Phelps, J. S. Xia, D. Candela and N. S. Sullivan, A Novel Design of a Low Temperature Preamplifier for Pulsed NMR Experiments of Dilute 3He in Solid 4He, J. Low Temp. Phys. 158, 692-696 (2010).
C. Parks, N.S. Sullivan and P. Stachowiak, Measurements of the Nuclear Spin-Spin Relaxation Times for Commensurate 3He-Ne Films Adsorbed on Hexagonal Boron Nitride, J. Physics (Conf. Series), 150, 032099-032103 (2009).
S. Pilla, J.A. Hamida, K.A. Muttalib, and N.S. Sullivan, Generalized Fluctuation Dissipation and Thermal Hysteresis of Dielectric Susceptibility in Frustrated Molecular Orientational Glasses, J. Physics (Conf. Series) 150, 042192-0421096 (2009).
J.S. Xia, L. Yin, E.D. Adams, and N.S. Sullivan, A Compact Capacitive Pressure Transducer, J. Physics (Conf. Series) 150, 012054-012058 (2009).
L. Yin, J.S. Xia, V.S. Zapf, N.S. Sullivan and A. Paduan-Filho, A direct measurement of the Bose-Einstein Condensation universality class in NiCl2-4SC(NH2)2 at ultra-low temperatures, Phys. Rev. Lett. 101, 187205 (2008).
S. Xia, H. L. Stormer, D.C. Tsui, C. Vicente, E.D. Adams, N.S. Sullivan, L.N. Pfeiffer, K.W. Baldwin, and K.W. West, Experimental studies of the fractional quantum Hall effect in the first excited Landau level, Phys. Rev. B77, 075307-075312 (2008).
M. Pilla, J.A. Hamida, K. Muttalib and N. S. Sullivan, Thermal hysteresis of the dielectric susceptibility of solid oxygen in the audio frequency range, Phys. Rev. B77, 224108-22415 (2008).